CVE-2020-19596
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
- Record
CVE-2020-19596- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
- Record
CVE-2020-19596- Updated
- 2026-11-02
EUVDEUVD-2020-11500 No score
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
- Record
EUVD-2020-11500- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3hj8-7626-3gc8 No score
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.
- Record
GHSA-3hj8-7626-3gc8- Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-19596 is a critical vulnerability (CVSS 9.8) in Coreftp Core Ftp, published April 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. No source names a fixed version.